diff --git a/src/html/htmlpars.cpp b/src/html/htmlpars.cpp
index c2028aa595..b164da2aad 100644
--- a/src/html/htmlpars.cpp
+++ b/src/html/htmlpars.cpp
@@ -664,6 +664,7 @@ wxChar wxHtmlEntitiesParser::GetEntityChar(const wxString& entity)
{ wxT("amp"),38 },
{ wxT("and"),8743 },
{ wxT("ang"),8736 },
+ { wxT("apos"),39 },
{ wxT("aring"),229 },
{ wxT("asymp"),8776 },
{ wxT("atilde"),227 },